body,
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  margin: 0;
}

ul,
li,
ol {
  list-style: none;
  padding: 0;
}

a {
  text-decoration: none;
  color: currentColor;
}

img {
  display: block;
  margin-left: auto;
  margin-right: auto;
  max-width: 100%;
}

input[type=radio] {
  display: inline-block;
  width: 40px;
  height: 40px;
  opacity: 0.3;
  border: 2px solid #000000;
  border-radius: 50%;
  overflow: hidden;
  vertical-align: middle;
  text-align: center;
  -webkit-appearance: none; //把原来的样式整个抹掉
  outline: 0;
  background: 0 0;
  padding: 0;
}

input[type=radio]:checked {
  width: 40px;
  height: 40px;
  border: 2px solid #D6AA6A;

  &::after {
    content: '\2022';
    font-size: 80px;
    text-align: center;
    line-height: 40px;
    color: #D6AA6A;
  }
}